CVE-2021-28419Public exploitNetwork attack vector

Authenticated database disclosure via order_col SQL injection

Published Mar 18, 2021 · Updated Aug 3, 2024

SQL injection in SEO Panel 4.8.0 allows remote authenticated users to retrieve database contents through the archive.php order_col parameter. The archive endpoint treats order_col as SQL syntax, so a nested SELECT with SLEEP() changes response timing instead of remaining a column identifier. Administrative login is required; the demonstrated time oracle supports database enumeration, while broader write or OS-command impact is not established by the CVE record.

CVSS severity7.2
High
EPSS probability10.67%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in SEO Panel 4.8.0 allows remote authenticated users to retrieve database contents through the archive.php order_col parameter. The archive endpoint treats order_col as SQL syntax, so a nested SELECT with SLEEP() changes response timing instead of remaining a column identifier. Administrative login is required; the demonstrated time oracle supports database enumeration, while broader write or OS-command impact is not established by the CVE record.

The record

CVE
CVE-2021-28419
Published
Mar 18, 2021
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-89, T1190
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 18, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/A:P
7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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